trenchless sewer construction Articles

  • Trouble Shooting for Trenchless Liner Installation During Sewer Line Rehabilitation

    ABSTRACTLining is being used by the utility industry as a cost effective solution to rehabilitate utility lines. Many types of liners, such as, cured-in-place-pipe (CIPP), fold and form PVC, deformed & reformed HDPE, etc., are being used to restore structural integrity of deteriorated pipes and to reduce inflow/infiltration. Most of the lining installation is carried out without any problem, ...

  • Installing gravity sewer in tough Georgia rock

    It took a contractor who was receptive to an innovative new installation approach, a good deal of patience and a whole lot of determination — after two previous attempts by other contractors using drills and air hammers were unsuccessful — to finally conquer a pesky 800-foot (243.8 m) stretch of tough Georgia blue granite. Hence, project owner Coweta County Water and Sewer Authority ...


    By Vermeer

  • 5 Pieces of equipment needed for the pipe bursting process

    Sewer pipe bursting looks a little bit like magic if you compare it to the traditional methods of sewer replacement. With the use of underground construction equipment, including directional boring equipment, sewer technicians are able to pull a new pipe through the old pipe without digging a hole into the top surface of the ground. The sewer pipe bursting method is the perfect pipe replacement ...


    By TRIC Tools Inc.

  • New York City Chooses Ductile Iron Pipe For First Pipe Bursting Project

    When the City of New York Department of Design and Construction (DDC) determines a pipeline needs to be installed, any private utility using the City’s right-of-way, e.g. ConEd, Cable Vision, Key Span and Verizon, is responsible for the cost of relocating and supporting, if possible, any conflicting lines prior to or during construction. This cost can be extremely high since utility corridors are ...

  • Tunneling Under Austin, Protecting the Environment, and Preserving the Peace

    ABSTRACTFor over a decade, an existing 42-inch wastewater interceptor has plagued the Austin Water Utility (Utility) with higher than usual maintenance demands. Located in the Walnut Creek flow line, this interceptor is partially exposed with manholes rising several feet above the creek bed due to years of erosion. The interceptor suffers from external erosion and is victim to debris floating ...

  • Installation of Large Diameter Buried Pipes

    The ProblemThere is an ongoing need to provide designers, specifiers, engineers, consultants and students an overview and general understanding on the proper installation and rehabilitation of buried municipal and industrial pipelines to provide a long-lasting wastewater and potable water infrastructure that will serve future generations. Goals and ObjectiveMost buried ...

  • Backreaming through rock — with AXIS Guided Boring System

    Taking on a challenge is nothing out of the ordinary for the experienced trenchless installation experts at Midwest Mole. Since its founding in 1982, the Indianapolis-based contactor has earned a reputation for installation innovation; overcoming obstacles and defying the odds. So, these trenchless pros didn’t hesitate to take on another challenge despite the recognition that they would ...


    By Vermeer

  • Macomb county emergency repair case study

    Sinkhole Repaired in Michigan Township Clinton Township, like most communities, can provide us with case studies in evolving infrastructure needs. On July 22, 1782, more than a year before the American Revolutionary War ended, the first settlement was founded on the site of present-day Clinton Township, Mich., near the Clinton River. The lower bluff, which is close to the river, ...


    By Hobas Pipe USA

  • ASTM Standards Help Meet Need for Clean Water

    The new ASTM Water Portal provides a single access point to standards and related information about ASTM International’s diverse committees working to protect and monitor this vital global resource. Clean and safe water is the underpinning of the quality of life for people around the world. Global economies depend on water, whether it’s to support the manufacturing of goods ...


    By ASTM International

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